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Biology Module 2 > Mendelian Genetics > Flashcards

Mendelian Genetics Flashcards

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1
Q

What is True Breeding?

A

self-fertilization produces offspring all identical to the parent

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2
Q

In True Breeding what generation are the parental plants?

A

P generation

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3
Q

What is a hybrid

A

cross-fertilization of two different varieties

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4
Q

What is a hybrid offspring of a P generation called?

A

F1 generation

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5
Q

What is a monohybrid cross

A

cross between two individuals differing in one character

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6
Q

What does Mendel’s Law of Segregation state?

A

Cells contain two copies of each gene
alleles do not blend
alleles must separate during meiosis

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7
Q

What would a Homozygous x Homozygous set up look like?

A

aa AA

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8
Q

What would a Heterozygous x homozygous set up look like

A

Aa AA

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9
Q

What would a heterozygous x heterozygous look like?

A

Aa Aa

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10
Q

What is a dihybrid corss?

A

mating of parental varieties that differ in two characters?

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11
Q

What is the law of independent assortment state?

A

the inheritance of one character has no effect on the inheritance of another

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12
Q

What is a testcross?

A

mating between an indivisual of unknown genotypes and a homozygiys recessive individual

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13
Q

What can a testcross show?

A

whether the unknown genotype includes a recessive allele

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14
Q

What might a homozygous recessive genotype look like?

A

aa

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15
Q

What would a homozygous dominate genotype look like?

A

AA

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16
Q

What are the two types of inherited disorders?

A

Recessive Inheritance
Dominant Inheritance

17
Q

What are the traits of a Recessive Inheritance?

A

two recessive alleles are needed to show disease
heterozygous parents are carriers of the disease causing allele
probability increases with inbreeding

18
Q

What are traits of Dominant inheritance?

A

one dominant allele is needed to show disease
dominant lethal alleles are usually eliminated from population

19
Q

How does modern technology provide insight into one’s genetic legacy?

A

obtain genetic information
genetic testing can identify parents who are heterozygous carriers

20
Q

What is Mendelian Inheritance?

A

determined by a dominate or recessive traits passed from parents

21
Q

what is a gene(character)

A

heritable feature that varies among individuals

22
Q

what is an allele(trait)

A

a variant of a character

Biology Module 2 (6 decks)

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